atrioventricular block
heart conduction disease that is characterized by the impairment of the conduction between the atria and ventricles of the heart
third-degree atrioventricular block
medical condition in which the impulse generated in the sinoatrial node (SA node) in the atrium of the heart does not propagate to the ventricles
second-degree atrioventricular block
disease of the electrical conduction system of the heart. It is a conduction block between the atria and ventricles.
congenital heart block
atrioventricular block characterized by the presence of conduction system disease of any form, which is diagnosed on or before 28 days of life
first-degree atrioventricular block
disease of the electrical conduction system of the heart in which the PR interval is lengthened beyond 0.20 seconds